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Analog circuit collection

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Subtleties count in wide-dynamic-range analog interfaces

Subtleties count in wide-dynamic-range analog interfaces

Transporting high-dynamic-range analog signals from one piece of equipment to another is not a trivial task. Even subtle design variations can make huge differences in the equipment's ability to reject interference from the ac power line and other sources when the equipment connects to a real-world system.

http://www.edn.com/archives/1998/060498/12df_03.htm#References

12 Volt Toilet Tank Refiller

12 Volt Toilet Tank Refiller

This circuit controls a small 12 Volt pump that is used to fill a toilet tank from an external rainwater collection cistern. The Panasonic hall effect sensor is the heart of the system.

http://www.solorb.com/elect/solarcirc/tankfill/index.html

Analog to digital conversion notes

Analog to digital conversion notes

http://www4.tpg.com.au/users/talking/a_to_d.html

Analogue Pulse Counter

Analogue Pulse Counter

http://www.4qdtec.com/aoc.html